5106661001 has 6 divisors (see below), whose sum is σ = 5529698190. Its totient is φ = 4713840768.

The previous prime is 5106660973. The next prime is 5106661003. The reversal of 5106661001 is 1001666015.

It can be written as a sum of positive squares in 3 ways, for example, as 660438601 + 4446222400 = 25699^2 + 66680^2 .

It is not a de Polignac number, because 5106661001 - 2²⁶ = 5039552137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5106661003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15108296 + ... + 15108633.

It is an arithmetic number, because the mean of its divisors is an integer number (921616365).

Almost surely, 2^5106661001 is an apocalyptic number.

It is an amenable number.

5106661001 is a deficient number, since it is larger than the sum of its proper divisors (423037189).

5106661001 is a wasteful number, since it uses less digits than its factorization.

5106661001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30216955 (or 30216942 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5106661001 is about 71460.9054028845. The cubic root of 5106661001 is about 1722.0496793618.

The spelling of 5106661001 in words is "five billion, one hundred six million, six hundred sixty-one thousand, one".